151241440 has 144 divisors (see below), whose sum is σ = 421956864. Its totient is φ = 51072000.

The previous prime is 151241437. The next prime is 151241443. The reversal of 151241440 is 44142151.

It is an interprime number because it is at equal distance from previous prime (151241437) and next prime (151241443).

It is a super-3 number, since 3×151241440³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151241443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 791745 + ... + 791935.

It is an arithmetic number, because the mean of its divisors is an integer number (2930256).

Almost surely, 2^151241440 is an apocalyptic number.

151241440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151241440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210978432).

151241440 is an abundant number, since it is smaller than the sum of its proper divisors (270715424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

151241440 is a wasteful number, since it uses less digits than its factorization.

151241440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321 (or 306 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 151241440 is about 12298.0258578359. The cubic root of 151241440 is about 532.7910668932.

Adding to 151241440 its reverse (44142151), we get a palindrome (195383591).

The spelling of 151241440 in words is "one hundred fifty-one million, two hundred forty-one thousand, four hundred forty".